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Finding the Fourth Proportional to 1,752.60, 2,418.42 and 966.68

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Solution

The fourth proportional to 1,752.60, 2,418.42 and 966.68 is: 1,333.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752.60 : 2,418.42 = 966.68 : x
  2. Step 2: Convert to fraction form
    1,752.60/2,418.42 = 966.68/x
  3. Step 3: Cross multiply
    1,752.60x = 2,418.42 × 966.68
  4. Step 4: Simplify right side
    1,752.60x = 2,337,838.25
  5. Step 5: Solve for x
    x = 2,337,838.25/1,752.60
  6. Step 6: Final answer
    x = 1,333.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.